«筑室道谋»

zhùshì-dàomóu

[ask every passerby how to build one’s house-have no idea or plan of one’s own and accomplish nothing] 建筑房屋向路人讨教。 比喻七嘴八舌, 无助于拿定主意, 或盲目听从别人, 结果难以成功